in reply to Bing API Authentication in Perl
The Bing::Search Module from CPAN is outdated (unless it has been updated without documentation of recent changes)
If you read about that module on CPAN, it mentions that it makes use of the APPID (which was used with the previous Bing Search API 2.0 for developers).
Now, they have moved to Azure Marketplace with the Account Keys replacing the AppIDs and also the URL which is used for the Search API has changed.
I don't know if there is any module which would work with the new Bing Search API.
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